Abstract: The invention relates to a collapsible rocking device for rocking a pushchair provided with a frame and wheels, such a pushchair provided therewith and method therefor. The rocking device according to the invention comprises a housing provided with two guides and wheel holders which are arranged movably relative thereto and which are configured to receive a wheel of the pushchair to be rocked; at least one length-adjustable arm configured to adjust the mutual distance between the wheel holders; a number of collapsing mechanisms arranged in or on the guides, such that the rocking device can be moved from a position of use into a storage or transport position, and vice versa; at least one drive configured to drive the wheel holders such that the wheel holders make a translating movement in the direction of travel of the pushchair; and a controller configured to control the drive.

Abstract: Methods, systems, and apparatus for wirelessly providing power to a vehicle. The system includes a plurality of ground-side wireless power transfer devices each configured to automatically provide power to a counterpart vehicle-side wireless power transfer device. The system includes a switch connecting a power source to the plurality of ground-side wireless power transfer devices and configured to be in an open position or a closed position. The system includes a vehicle position sensor configured to detect the vehicle being within a range of the plurality of ground-side wireless power transfer devices. The system includes a switch driver configured to move the switch from the open position to the closed position when the vehicle position sensor detects the vehicle being within the range, and move the switch from the closed position to the open position when the vehicle position sensor does not detect the vehicle being within the range.

Abstract: A controller for model trains on a train track is provided. The controller causes direct current control signals to be superimposed on alternating current power signals to control effects and features on model vehicles. The model vehicle includes a receiver unit responsive to the direct current control signals.

Abstract: A motorized amusement device especially designed for infants is provided. The device includes a truck assembly for securing a pre-existing infant support device such as a car seat. A reconfigurable track assembly is provided so that the device can be used without rearranging existing decor. The device can be operated by remote control and includes aumtomatic safety features.

Abstract: A controller for model trains on a train track is provided. The controller transmits control signals between a rail of the track and earth ground, generating an electromagnetic field which extends for several inches around the track. A receiver in the locomotive can then pick up signals from this electromagnetic field.

Abstract: A control circuit which will momentarily apply a pulse of power to the E-Unit solenoid in response to the momentary interruption of power by the transformer or another control signal. The E-Unit rest state is thus with no power applied, eliminating noise and saving power. A seek-to-forward cycling capability is also provided. The overall system has a remote transmitter and a base unit coupled to the train tracks with a receiver. The base unit controls track switching and individual trains through FSK signals transmitted over the track. The base unit also controls a triac switch between the transformer and the track to allow remote control of track power and impose DC offsets on the track power signal.

Abstract: A transit system implementing a reduced voltage braking scheme is provided. The transit system includes a guideway extending between freight loading and freight unloading stations. Freight carrying vehicles are moveable along the guideway between the stations. The guideway is divided into a number of blocks with each block including at least two linear motor primaries located along the guideway at spaced intervals. A controller is associated with each block and communicates with the linear motor primaries as well as with sensors positioned along the guideway within the block. The controller is in communication with the controllers in the adjacent upstream and downstream blocks and provides an occupied signal to the upstream block when a vehicle is detected in the block.

Abstract: The working apparatus, useful as a cleaning apparatus for textile machines, comprises a mobile servicing or working unit possessing a ventilator cooperating with air guide elements and operates in cleaning zones located at these textile machines. The servicing unit is movable on a track or rails. A stationary drive motor provides the relatively high power drive for the travel motion of the servicing unit along the track and for the ventilator by means of an endless belt trained over transmission members arranged at the servicing unit. These transmission members each contain different size coaxially arranged pulleys. By changing the position of one strand or run of the belt from a smaller size to a larger size pulley and vice-versa, the direction of movement of the travelling servicing unit can be selectively reversed. The movement of the servicing unit is monitored by a control device arranged at the servicing unit with the aid of terminal or limit switches and sensors.

Abstract: A carrier which transports semiconductor chips or the like can run along two rails made of a ferromagnetic material and extending along a running path. The carrier has four supports projecting from its bottom. Four magnets units are supported by the supports, respectively, and each magnet unit includes a permanent magnet and a pair of electromagnets such that the magnet units face the rails. The carrier is held floated with respect to the rails by electromagnetic forces acting between the magnet units and rails. The supports support four gap sensors which detect the gap between the magnet units and rails and produce an output signal corresponding to the gap. Magnetic flux control unit is provided on the underside of the carrier to control the current supplied to the electromagnets in accordance with the outputs of the gap sensors to maintain the gap constant within a predetermined range.

Abstract: A toy car and roadbed unit which comprises a roadbed on which there is provided at least one electric track including three conductive paths which are connected to a positive output terminal, a negative output terminal and a center tap of the DC power source respectively and not less than two toy cars which run along two electric tracks each comprising three conductive paths in which the conductive path connected to the center tap is commonly used.

Abstract: A typical embodiment of the invention described herein discloses a prepared and packaged food delivery system that permits one attendant to serve several car ports. An electrically driven carrier for transporting a gimballed tray for money and foodstuffs has a dynamic brake that permits the carrier and tray to coast to a stop and, if desired, reverse direction after a brief delay. This feature prevents spillage. An additional feature of the invention provides advertising space illumination on the carriage with adjustable illumination time.